The proposed rationale was that a regional sports event will help promote co-operative , understanding and relations among countries in the Southeast Asian region.

co-operative =>co-operation

The proposed rationale was that a regional sports event will help promote co-operative , understanding and relations among countries in the Southeast Asian region.

=>The proposed rationale was that a regional sports event will help promote co-operation, understanding and relations among countries in the Southeast Asian region.

Tạm dịch:Lý do được đề xuất là một sự kiện thể thao khu vực sẽ giúp thúc đẩy hợp tác, sự hiểu biết và quan hệ giữa các quốc gia trong khu vực Đông Nam Á.

Đáp án cần chọn là: C